diff --git a/lab-service/lab-lims/src/main/java/org/springblade/lims/controller/ExamineController.java b/lab-service/lab-lims/src/main/java/org/springblade/lims/controller/ExamineController.java
index a6f8bcf..4d22be1 100644
--- a/lab-service/lab-lims/src/main/java/org/springblade/lims/controller/ExamineController.java
+++ b/lab-service/lab-lims/src/main/java/org/springblade/lims/controller/ExamineController.java
@@ -420,7 +420,9 @@ public class ExamineController extends BladeController {
         String userId = AuthUtil.getUserId().toString();
         Examine examine1 = examineService.getById(examine.getId());
         if (userId.equals(examine1.getLockBy())) {
-            examine.setExamineBy(userId);
+            if (examine.getExamineBy() == null || "".equals(examine.getExamineBy())) {
+                examine.setExamineBy(userId);
+            }
             examine.setReceiveTime(new Date());
             examine.setIsDistribute(1);
 //            examine.setIsFinished("-1");